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LETTER TO EDITOR
Year : 2021  |  Volume : 7  |  Issue : 2  |  Page : 152-153

Crouzon syndrome: A rare case report in perimenopausal women - Correspondence


Department of Medical Genetics, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India

Date of Submission29-Jun-2021
Date of Acceptance01-Nov-2021
Date of Web Publication17-Aug-2021

Correspondence Address:
Mayank Nilay
Assistant Professor, Department of Medical Genetics, Sanjay Gandhi Post-graduate Institute of Medical Sciences, Lucknow - 226 014, Uttar Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jigims.jigims_30_21

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How to cite this article:
Nilay M. Crouzon syndrome: A rare case report in perimenopausal women - Correspondence. J Indira Gandhi Inst Med Sci 2021;7:152-3

How to cite this URL:
Nilay M. Crouzon syndrome: A rare case report in perimenopausal women - Correspondence. J Indira Gandhi Inst Med Sci [serial online] 2021 [cited 2022 Nov 28];7:152-3. Available from: http://www.jigims.co.in/text.asp?2021/7/2/152/331746



To the Editor,

With great interest, I read this case report by Kumari et al.[1] but would like to highlight the importance of exact molecular diagnosis in such rare conditions as craniosynostosis, which are genetically heterogeneous.

Clinical features in the index patient are suggestive of FGFR-related craniosynostosis syndromes. Most of the features such as sutural craniosynostosis, proptosis, hypertelorism, and midface hypoplasia can be seen in varying spectrum in all these syndromes apart from other typical findings specific to some such as syndactyly in Apert and other typical hand/feet abnormality seen in Peiffer, Muenke, or Jackson–Weiss syndrome. Crouzon syndrome patients generally manifest mild symptoms as compared to others such as Apert.[2] Most cases have normal intellect with good reproductive potential, and it is not rare for a Crouzon syndrome patient to live till 4th–5th decade of life.

Further, while describing such dysmorphology syndromes, authors should use HPO terms (https://hpo.jax.org/app/) or use of elements of morphology (https://elementsofmorphology.nih.gov/). FGFR1, FGFR2, and various other growth factors play an important role in uterine epithelium architecture and known to affect myometrial pathophysiology (reported in many animal and human studies).[3] It is highly likely that the mutation in FGFR2 may have resulted in this phenotype of craniosynostosis and leiomyoma. Mosaicism (germinal as well as somatic) is known in patients with Crouzon syndrome.

For such cases with genetic heterogeneity, a multigene panel test or exome sequencing will be ideal to establish the diagnosis. Cost and availability are constraints in this part of the country, however, the test cost is ever decreasing and next-generation sequencing is readily available nowadays. The National Policy for Rare Diseases, 2021 has proposed establishment of a Medical Genetics Department in one medical college of every state; thus, days are not far when patients from Bihar will have easy access to management of such genetic disorders.

A proper molecular diagnosis is not only important for the treatment and surveillance but also for the family (prenatal diagnosis and preimplantation genetic diagnosis). Crouzon and other similar syndromes of this spectrum have an autosomal dominant mode of inheritance. Thus, there can be a risk of recurrence up to 50%, a family diagnosis can be offered to at-risk individuals (once mutation is known in the proband), and they can be put on active surveillance for anticipated complications. However, caution should be exercised while offering such tests in affected families due to the variable presentations of these disorders (mild to severe). Hence, a pretest and posttest genetic counseling is must.

Crouzon syndrome and others such as Apert syndrome have an increased incidence with increased paternal age as seen in other genetic conditions such as achondroplasia, thanatophoric dysplasia, MEN2A, and MEN2B.[4] As this patient underwent surgery, the typical anesthetic complications that are expected in this disorder need a mention (multilevel airway obstructions). A skeletal survey is also warranted in such patients to rule out cervical instability and other deformities such as radiohumeral synostosis.

It is praiseworthy that clinicians are identifying the importance of reporting rare genetic disorders and associated findings. However, with a little more effort on diagnosis and detailed pathophysiology discussion, the impact of such case reports would be highly beneficial for medical students to understand the approach to such disorders, which involve multidisciplinary management.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
  References Top

1.
Kumari S, Kumari P, Pankaj S, Rani J, Abhilashi K. Crouzon syndrome: A rare case report in perimenopausal women. J Indira Gandhi Inst Med Sci 2020;6:180-2.  Back to cited text no. 1
  [Full text]  
2.
Wenger T, Miller D, Evans K. FGFR craniosynostosis syndromes overview. In: Adam MP, Ardinger HH, Pagon RA, Wallace SE, Bean LJ, Mirzaa G, et al., editors.GeneReviews®. Seattle (WA): University of Washington, Seattle; 1993-2021. Available from: https://www.ncbi.nlm.nih.gov/books/NBK1455/. [Last accessed on 1998 Oct 20; Last updated on 2020 Apr 30].  Back to cited text no. 2
    
3.
Ciarmela P, Islam MS, Reis FM, Gray PC, Bloise E, Petraglia F, et al. Growth factors and myometrium: Biological effects in uterine fibroid and possible clinical implications. Hum Reprod Update 2011;17:772-90.  Back to cited text no. 3
    
4.
Jung A, Schuppe HC, Schill WB. Are children of older fathers at risk for genetic disorders? Andrologia 2003;35:191-9.  Back to cited text no. 4
    




 

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